Home / 501,127.34-691,656.21-297,291.42

Finding the Fourth Proportional to 501,127.34, 691,656.21 and 297,291.42

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Solution

The fourth proportional to 501,127.34, 691,656.21 and 297,291.42 is: 410,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,127.34 : 691,656.21 = 297,291.42 : x
  2. Step 2: Convert to fraction form
    501,127.34/691,656.21 = 297,291.42/x
  3. Step 3: Cross multiply
    501,127.34x = 691,656.21 × 297,291.42
  4. Step 4: Simplify right side
    501,127.34x = 205,623,456,822.72
  5. Step 5: Solve for x
    x = 205,623,456,822.72/501,127.34
  6. Step 6: Final answer
    x = 410,321.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.